99 Mustang hard starting

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DonTraboulsee - 22 Jan 2008 12:16 GMT

I have a 99 V6 mustang and it has been hard to get it started since about 2
weeks now. Normal starting was just turn the key and not pressing the gas
pedal. Now, if it does not start I have to hold the pedal to the floor
while cranking for about 10 seconds or more. It will finally cough and
sputter to life then. This is only when it is left over night. Once it is
started, it runs fine all day long and starts normally.

Any ideas as to what the problem is? Car is all original and has 226,000
kilometers on it.

Thanks
Don

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Mike Fleagle - 23 Jan 2008 03:05 GMT

>I have a 99 V6 mustang and it has been hard to get it started since about 2
> weeks now. Normal starting was just turn the key and not pressing the gas
[quoted text clipped - 8 lines]
> Thanks
> Don

In order of possibilities;

bad gas (water in gas (add a pint of Ethanol) fill up with 93 octane from a
good station for a while)

change fuel filter.

your air idle bypass may need cleaning (gets full of crud, carburetor
cleaner takes it out)

Read your plugs too. could have a cold one, full of oil/black stuff

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Ashton Crusher - 26 Jan 2008 05:14 GMT

>I have a 99 V6 mustang and it has been hard to get it started since about 2
>weeks now. Normal starting was just turn the key and not pressing the gas
[quoted text clipped - 8 lines]
>Thanks
>Don

Chances are this is not your problem but when my 99 went from starting
right up to acting like yours I took it back to the dealer under
warranty. They replaced a cam position sensor the first time.. that
didn't fix it, the second time I brought it back they replaced some
connection...that didn't fix it, the third time they replaced the
alternator... that fixed it. Somehow a bad diode in the alternator
was making it hard to start.

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DonTraboulsee - 28 Jan 2008 00:20 GMT

Well, finally have it figured out. I think it was a bad tank of gas. I ran
it down to almost empty and refilled it the 2 days ago, and the problem
has gone away. Starts much better now. Once I have time I will change the
fuel filter just to be sure.

Don

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